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The electronic structures and photophysical properties of phenathroline ligands coordinated to Cu(I), which are substituted in the 2,9-positions with methyl, phenyl, trifluoromethyl and tert-butyl groups, has been studied by density functional theory (DFT) and time-dependent DFT (TDDFT). To investigate the role played by counteranion in these complexes, the highest occupied orbital energies (HOMO),...
We report experiments using fluorene and terthiophene copolymer as the active layer in bilayer devices with C 60 . The highest short circuit current, open circuit voltage and power conversion efficiency upon AM1.5 illumination were 6.8mA/cm 2 , 0.68V and 2.33%, respectively. Density functional theory analysis was used to identify the most stable configurations of the terthiophene moieties...
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